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2020210102220 = 2255310134635449
BaseRepresentation
bin11101011001011101111…
…001111100111111001100
321011010111220201102021112
4131121131321330333030
5231044342241232340
64144023253351152
7265645455352622
oct35313571747714
97133456642245
102020210102220
11709847a32802
122876443384b8
1311867462253b
146dac8a27512
153783c3eb065
hex1d65de7cfcc

2020210102220 has 96 divisors (see below), whose sum is σ = 4367346076800. Its totient is φ = 784616601600.

The previous prime is 2020210102189. The next prime is 2020210102243. The reversal of 2020210102220 is 222010120202.

It is a super-2 number, since 2×20202101022202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020210102195 and 2020210102204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370746056 + ... + 370751504.

It is an arithmetic number, because the mean of its divisors is an integer number (45493188300).

Almost surely, 22020210102220 is an apocalyptic number.

2020210102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020210102220 is an abundant number, since it is smaller than the sum of its proper divisors (2347135974580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020210102220 is a wasteful number, since it uses less digits than its factorization.

2020210102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9075 (or 9073 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020210102220 its reverse (222010120202), we get a palindrome (2242220222422).

The spelling of 2020210102220 in words is "two trillion, twenty billion, two hundred ten million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 53 101 106 202 212 265 404 505 530 1010 1060 2020 3463 5353 5449 6926 10706 10898 13852 17315 21412 21796 26765 27245 34630 53530 54490 69260 107060 108980 183539 288797 349763 367078 550349 577594 699526 734156 917695 1100698 1155188 1399052 1443985 1748815 1835390 2201396 2751745 2887970 3497630 3670780 5503490 5775940 6995260 11006980 18537439 18869887 29168497 37074878 37739774 58336994 74149756 75479548 92687195 94349435 116673988 145842485 185374390 188698870 291684970 370748780 377397740 583369940 1000104011 1905858587 2000208022 3811717174 4000416044 5000520055 7623434348 9529292935 10001040110 19058585870 20002080220 38117171740 101010505111 202021010222 404042020444 505052525555 1010105051110 2020210102220